he has proposed sweeping reforms to the nation's gun control laws and he wants congress to act. they say they want americans to apply pressure to lawmakers. >> ask what is more important, doing whatever it takes to get an a-grade from the gun lobby that funds their campaigns or giving parents some peace of mind when they drop their child off for first grade. >> here are a few of the president's proposed measures that need awful pro. required background checks for all gun sales even gun shows, a ban of military-assault-style weapons and magazines. there are things such as improving the standards for background checks and adding public school security and funding mental health care. >> while the debate starts to rage in washington tonight, just the fear that some weapons will be banned is spurring gun sales across the bay area and the country. there is even talk of a gun and ammo shortage. alan wang visited a gun store where weapons are literally flying off the shelves. >> the gun shop has seen a 300% jump in sales since the sandy hook tragedy. since the call for tighter gun contr